Lock hut



Aug. 13, 1929. c. L. DAY 1,724,460

LOCK NUT Filed Nov. 22, 1928 The preseni; invention relates to improvemeet in ieeic nut end has fee an object to PBTQViL E an improved icci:nut which invcives lee mcdiiiceticn of the standard boii; which may bereadily and Wi'ililfifit inter 'ierence screw-e51 upon the ecic but Wiiiposieia'eiy psevetei; cesuei er eccisiemei week were cf the mat miiisuch time as may eec e eri,

the invention is ce pre- 1111?; which is cencieci 5c evoid any weakeninghe met iZUEG which involves emiy slight :neciiii siendeed practice intee making which eiiepiicii,

F 51 As) 1 eccegeieg ecci eiher cbj'ecizs in Wiii mere ieiiy demereperi-icuierfy pended'cieim.

s in which iiiae symiicis lee - impreveci nee Shem-1 es epgciiei 1 insicie iriewn crese-secticeei View 01 the 1 eemevecia an net with eremcveciu Figure 4: is e eide impecveci employed and I Figure 53 as eper'iiei eieie secienei e mcdificeticle,

emieg more perticuieiiy 5c Figures 11, be 4: HEQiHSiV 6 designates ztiaeusuei stenciizeiz liillfifitiis cf any fieeiz'efii gziieim; emi 7rep-resents m1?) having the i emcee bcie 8 adep'ieci be screw uponeeccyc lanc i presen';

1i ii.

e such.

i cempei the see vin Figure 5, the usual e'f mz'c 15 Sci-i223 me 321,145

served ci e; ueiieim fixed diameter ehi'eugh 0116; the enicirecircumference cf the nut te eveid weakening of the mein body portion ofthe nut, and ie prevent theeccumuleciom or eetmnce of dirt or otherforeign materiei. This recess is designed to Receive e, tang 1% turnedcutweedigz frem the emcee end cf the spring 10. in Figure 1 the mag 14:is siicwm es cccepyieg recess 11., The is turned in e dieeceien pemiieibe time axis 01" the ieeii; end the spring 10 pecjecis atsubsi'zeziisieiiy right angles 55mm the euiermest ecnvoiuien 0f thespr'mg ii) 130 LEe-ciiiiete iie-sheering when the Beck is ie breken endthe nutremcvesi'iiizcm the we As shcwn in Figures 1 2, end 5 the recess11 may be relied enci ii: eemewiie cieseiy receives the meg 14ici? ehespring" 19 flees not communicate with the iiaiceecieci here 0: 5 the nut7. The dividing Wei];

zhicimees 0:? the 50.11%. between the ihreeieii 'lmese end the recess 11serves Wise peeven'i; 'iiie' enci er ien'g 16$, eltner in mine 01shemec'i ecu-5iieiczi 133mm neg between the mm";

-r- 1 fi 'F 1 and the ihi'eed ehe be ie enei makes eiieer 1e epemcicn es'iiie'eui: is mined en "eci flue iceie i119 recess 311i engeeing eiiece-Jig i l g fie roe immecl eicng wizhh the mic, ienaimg in epen thespringeiighfziy ee thee it will 's'aek'e reediiy en ihe threads ef thebait 6 end feiiew f the nut is screweci heme. thereueen ems between theehreede eieci 3 and iicie ehe em; in piece iiee-epwing iligil'i'Kli-figen the bait eiicuiei we met me i0 beck eff, the recess 11 ihe tang andherding in ecneii'ic'c the spring 1i) ebezii; the threads of the belt 6.In order in eieese the net ii; is necessary to eheer the tang 14. in(icing so the leverage usueiiy supplied with e, Wrench Wiii be sidequefie fee this purpeee;

A new spring cen eeediiy ice mseiiefi when nut is again put en the beitoThe mere ing cf the meg 21 i eueweriy Wiii ceee e e, I(:6: ermngemeni;cf? the meiecuiee which tend to make the shearing cpemiiom eesieixaccordance wife e medificeeicm she? The spring m like? emeicyed e.recess 18 its ieeee (so receive the "mag 14: 0f eiie i0 el ieed ycieeci'ibeci and Shem m .eigme e A e number 0i Weshere 011 e eieeve 1?may he ehe mixer iifieri eiccw; flee iccit esmi Pb Al i having an outerwall of uniform thickness.

throughout its circumference and provided with a threaded bone forengaging the threads of the bolt and with an enlarged counter here opegon the inner fee sex? the nut and having a recess in its face ortioncommunicating with the countei'none and spaced outwardly from saidthreaded bore so that a separating Wall is provided he-- tween thelatter and the recess, and a coil spring occupying said counterborewithits convolutions wound about the threads of the bolt and having a tangbent forwardly at substantially night wages to the coil spring parallelto the axis of the nut and occupying the recess and maintained out ofcontact with the threaded bolt by said separating Wail" In testimonywhereof I afix my signature. 2

@RLES L. DAY,

